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Finding the Third Proportional to 79,037.25 and 140,531.25

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Solution

The third proportional to 79,037.25 and 140,531.25 is: 249,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,037.25 : 140,531.25 = 140,531.25 : x
  2. Step 2: Convert to fraction form
    79,037.25/140,531.25 = 140,531.25/x
  3. Step 3: Cross multiply
    79,037.25x = 140,531.25 × 140,531.25
  4. Step 4: Simplify right side
    79,037.25x = 19,749,032,226.56
  5. Step 5: Solve for x
    x = 19,749,032,226.56/79,037.25
  6. Step 6: Final answer
    x = 249,869.93

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.